A Watershed in My Hand

Trees are everywhere! Yet what do these majestic organisms do for their ecosystem, and why do some have leaves and some have needles? During a five-day activity, young scientists investigate trees by analyzing the water cycle,...

This is a must-have resource with everything you'll need for studying food safety with your pupils. From handwashing scorecards and cleaning kitchen surfaces to navigating the world of microbes and food-borne illnesses, here you'll...

Do you want to hear a joke about nitrogen and oxygen? NO. We all know there is oxygen in the air and that plants produce oxygen, but how was it discovered? Scholars read a handout, answer questions, and analyze material in the...

They say you can't control the weather — but maybe we can! A two-week unit explores climate change, humans' role in it, and nature's adaptation due to climate change. Learners research each topic with a focus on local and state information.

Learners analyze the evolution of cultural attitudes through the lens of transportation, examining several artifacts, documents, and photographs. Topics covered include how American attitudes have influenced society's evolution into a...

From the start of the Industrial Revolution, it only took 147 years for someone to invent plastic. This may seem like a long time, but in the history of inventing or discovering new materials, this is incredibly fast. An informative and...

The ocean may seem a world away, but you can actually find it in a science classroom! Learners in the lower grade levels explore the concepts of water pollution, apex predators, the worth of animals, and commercial fishing methods. High...

Should every school have solar panels? The 19th lesson in a series of 21 has scholars research the feasibility of using solar panels at their school. They begin by gathering data on the solar energy in the area before estimating the...

Ever wonder why oil and water don't mix? Or why washing butter off of your hands is difficult? A video explores the different types of molecules, reviews charge and geometric asymmetry, and covers why water is one of the best molecular...

Flashy animation, superb narrative, and a touch of bad-hair-day humor explain the nature of chiral molecules in this five-minute feature. Viewers find out how chemist Jacobus Van't Hoff proposed that some saturated carbon molecules are...